RT Journal Article SR Electronic T1 On the chemical composition of chondrodite, humite, and clinohumite JF American Journal of Science JO Am J Sci FD American Journal of Science SP 188 OP 206 DO 10.2475/ajs.s3-47.279.188 VO s3-47 IS 279 A1 Penfield, Samuel Lewis A1 Howe, W. T. H. YR 1894 UL http://www.ajsonline.org/content/s3-47/279/188.abstract AB